Coffee has become the most consumed beverage in the world now. However, the average sugar intake of coffee lovers around the world has far exceeded the maximum quantity regulated by World Health Organization. This raised a serious social problem. Coffee and tea drinks producers have to provide healthy sugar substitues for consumers as more and more country governments begin to impose the sugar tax. Now raising numbers of consumers tend to choose natrual-based tabletop sweetener after the artificial ones having been popular for many years. The most popular natural sweetener now is stevia and its related tabletop sweetener.